Immune System CD8 surface antigen is present in none of these suppresssor T cells both (a) and (b) cytotoxic T cells none of these suppresssor T cells both (a) and (b) cytotoxic T cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following proteins would not need localization signal? A nuclear protein A cell surface protein A protein bound to the endoplasmic reticulum (ER) membrane A cytosolic protein A nuclear protein A cell surface protein A protein bound to the endoplasmic reticulum (ER) membrane A cytosolic protein ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following statements is false regarding B cells? B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells can undergo class switching and produce a different antibody type B one marrow stem cells migrate to the thymus and develop into B cells B cells synthesize antibodies and put them on their cell surface B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells can undergo class switching and produce a different antibody type B one marrow stem cells migrate to the thymus and develop into B cells B cells synthesize antibodies and put them on their cell surface ANSWER DOWNLOAD EXAMIANS APP
Immune System Polymorphonuclear leukocytes (or PMNs) are a type of phagocyte that can engulf and kill bacteria are derived from bone marrow stem cells All of these can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria are derived from bone marrow stem cells All of these can be attracted to the site of an infection following activation of complement ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for isoantigens? They are antigens found in some members of different species They are antigens found in some members of a species They are antigens found in all members of different species They are antigens found in all members of a species They are antigens found in some members of different species They are antigens found in some members of a species They are antigens found in all members of different species They are antigens found in all members of a species ANSWER DOWNLOAD EXAMIANS APP
Immune System Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD4 CD9 CD7 CD8 CD4 CD9 CD7 CD8 ANSWER DOWNLOAD EXAMIANS APP